Daily Sunspot Evaluation
Observation Sheet Tuesday, 9 August 2005
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 4
- Number of spots (f)
- 9
- Relative number (R)
- 49
- Observer
- TG
- Reading
- all checks consistent
- File
- 20050809.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | 11 | 74W | 58 | 75W | 3 | |
| 2 | HA – 2 | 12 | 31W | 15 | 32W | 1.5 | |
| 3 | DAO – 2 | -7 | 71W | 55 | 72W | ~6 | |
| 4 | HA – 3 | -12 | 40W | 24 | 41W | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.